National Stock Number
2840-00-396-4915
National Stock Number (NSN) 2840-00-396-4915, or NIIN 003964915, (housing,seal,oil ac) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). NIIN 003964915 was cancelled on June 2, 2005, with a cancelled status of "Item is Cancelled WITHOUT Replacement." There is no known replacement specified for this stock number. This NSN does not replace any other NSNs.
There is only one manufacturer part number associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, there are no suppliers that are deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over 5 years.
This NSN is assigned to Item Name Code (INC) 77777. This item does not have a nuclear hardened feature but does have other critical feature(s) such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 2840003964915 does not contain precious metals.
This information was last updated on Aug 01, 2025.